package lab02.Test06;

/**
 * Created by Administrator on 2017/10/15.
 */
public class Triangle {
    //属性：三边
      double edge1;
      double edge2;
      double edge3;
      double high;

      double area(){
          high=((double)+(edge1+edge2+edge3))/2;
          return(float)Math.sqrt(high*(high-edge2)*(high-edge3));
      }
      double perimeter(){
          return edge3+edge2+edge1;
      }
      void judge() {
          if (edge1 + edge2 < edge3 || edge1 + edge3 < edge2 || edge3 + edge2 < edge1) ;
          System.out.println("不可以构成三角形");
      }
    }

